2008

4.5

2003

6.0

1997

0.0

1998

5.5

2002

5.2

1981

0.0

1981

0.0

2013

7.5

2006

6.1

2015

0.0

1992

0.0

1996

7.0

2017

7.0

1988

0.0

2017

7.8

1999

7.1

1996

6.0

2012

6.3

2000

6.5

1984

0.0